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Debian: DSA-2855-1 Important: Mumble DoS and Overflow Risks

Several issues have been discovered in mumble, a low latency VoIP client. The Common Vulnerabilities and Exposures project identifies the following issues: . - ------------------------------------------------------------------------- Debian Security Advisory DSA-2854-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Salvatore Bonaccorso February 05, 2014 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : mumble Vulnerability : several Problem type : remote Debian-specific: no CVE ID : CVE-2014-0044 CVE-2014-0045 Debian Bug : 737739 Several issues have been discovered in mumble, a low latency VoIP client. The Common Vulnerabilities and Exposures project identifies the following issues: CVE-2014-0044 It was discovered that a malformed Opus voice packet sent to a Mumble client could trigger a NULL pointer dereference or an out-of-bounds array access. A malicious remote attacker could exploit this flaw to mount a denial of service attack against a mumble client by causing the application to crash. CVE-2014-0445 It was discovered that a malformed Opus voice packet sent to a Mumble client could trigger a heap-based buffer overflow. A malicious remote attacker could use this flaw to cause a client crash (denial of service) or potentially use it to execute arbitrary code. The oldstable distribution (squeeze) is not affected by these problems. For the stable distribution (wheezy), these problems have been fixed in version 1.2.3-349-g315b5f5-2.2+deb7u1. For the unstable distribution (sid), these problems will be fixed soon. We recommend that you upgrade your mumble packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Debianhas released an advisory on Mumble's security vulnerabilities urging users to update to the latest version to protect data integrity and privacy. mumble security update, debian advisory, DoS attack, buffer overflow. . Severity: Important. LinuxSecurity.com Team

Feb 05, 2014 •Important Debian